.\"	$OpenBSD: closefrom.2,v 1.8 2015/03/03 14:50:02 jmc Exp $
.\"
.\" Copyright (c) 2004 Ted Unangst.  All rights reserved.
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.\" modification, are permitted provided that the following conditions
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.Dd $Mdocdate: March 3 2015 $
.Dt CLOSEFROM 2
.Os
.Sh NAME
.Nm closefrom
.Nd delete many descriptors
.Sh SYNOPSIS
.Fd #include <unistd.h>
.Ft int
.Fn closefrom "int fd"
.Sh DESCRIPTION
The
.Fn closefrom
call deletes all descriptors numbered
.Fa fd
and higher from the per-process file descriptor table.
It is effectively the same as calling
.Xr close 2
on each descriptor.
.Sh RETURN VALUES
.Rv -std
.Sh ERRORS
.Fn closefrom
will fail if:
.Bl -tag -width Er
.It Bq Er EBADF
.Fa fd
is greater than all open file descriptors.
.It Bq Er EINTR
An interrupt was received.
.El
.Sh SEE ALSO
.Xr close 2
.Sh STANDARDS
.Fn closefrom
is a
.Bx
and Solaris extension.
.Sh HISTORY
The
.Fn closefrom
call first appeared in
.Ox 3.5 .
